From patchwork Mon Nov 14 11:15:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 624746 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A8547C4708C for ; Mon, 14 Nov 2022 11:18:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235843AbiKNLSa (ORCPT ); Mon, 14 Nov 2022 06:18:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43084 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236993AbiKNLRb (ORCPT ); Mon, 14 Nov 2022 06:17:31 -0500 Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::223]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC6245585; Mon, 14 Nov 2022 03:15:35 -0800 (PST) Received: (Authenticated sender: herve.codina@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id A781C60015; Mon, 14 Nov 2022 11:15:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1668424534; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Rv0zLQImLa4WkJ4GwDBS+qU7R6NBbI82C3pfv4/EYHA=; b=oRxEg/Pwf9nu/cfmv5rnPFTPBTNLajBKT1eMW6J6TI4BH2ENRLtc+cVN/RDq5eUDgPT2u/ aNHw+ZpXRRunkrWCwiVLjjcF2xeKYsKFiSpg9Q6rXhs2pJmp4/ww2LrIyILkPJk7g9DbdE OK8OZRGP2EgfWlYaF0Hr7hS/68sG/WIA+uRUv08Ucn31S+2UPo5reLxfaf29pO9uziaJvJ 33eVxqbUDNRZm34t3phTTgcNk2bJYiRs4UrIFCa2cFlpVKFXGCwSHNXEarM2jPrCbOSNkN byBLAsGOYRYqT87X34hO/xG6K2+WUByrdMsegqk7OPVwy4RGHLSq35djikkaUQ== From: Herve Codina To: Geert Uytterhoeven , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Herve Codina , Greg Kroah-Hartman , Magnus Damm , Gareth Williams Cc: linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Thomas Petazzoni , Miquel Raynal Subject: [PATCH v2 3/7] soc: renesas: r9a06g032-sysctrl: Handle h2mode device-tree property Date: Mon, 14 Nov 2022 12:15:09 +0100 Message-Id: <20221114111513.1436165-4-herve.codina@bootlin.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221114111513.1436165-1-herve.codina@bootlin.com> References: <20221114111513.1436165-1-herve.codina@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Handle the h2mode property and forces the CFG_USB[H2MODE] bit accordingly. Signed-off-by: Herve Codina --- drivers/clk/renesas/r9a06g032-clocks.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/clk/renesas/r9a06g032-clocks.c b/drivers/clk/renesas/r9a06g032-clocks.c index 9ee056498714..7a5a96c0d082 100644 --- a/drivers/clk/renesas/r9a06g032-clocks.c +++ b/drivers/clk/renesas/r9a06g032-clocks.c @@ -946,6 +946,7 @@ static int __init r9a06g032_clocks_probe(struct platform_device *pdev) struct clk *mclk; unsigned int i; u16 uart_group_sel[2]; + u32 usb, h2mode; int error; clocks = devm_kzalloc(dev, sizeof(*clocks), GFP_KERNEL); @@ -966,6 +967,26 @@ static int __init r9a06g032_clocks_probe(struct platform_device *pdev) clocks->reg = of_iomap(np, 0); if (WARN_ON(!clocks->reg)) return -ENOMEM; + + error = of_property_read_u32(np, "renesas,h2mode", &h2mode); + if (!error) { + usb = readl(clocks->reg + R9A06G032_SYSCTRL_USB); + switch (h2mode) { + case 0: + /* 1 host, 1 device */ + usb &= ~R9A06G032_SYSCTRL_USB_H2MODE; + break; + case 1: + /* 2 hosts */ + usb |= R9A06G032_SYSCTRL_USB_H2MODE; + break; + default: + dev_err(dev, "invalid h2mode %d\n", h2mode); + return -EINVAL; + } + writel(usb, clocks->reg + R9A06G032_SYSCTRL_USB); + } + for (i = 0; i < ARRAY_SIZE(r9a06g032_clocks); ++i) { const struct r9a06g032_clkdesc *d = &r9a06g032_clocks[i]; const char *parent_name = d->source ?